Table 3 Outcomes of patients according to the quartiles of serum iron.

From: High Serum Iron level is Associated with Increased Mortality in Patients with Sepsis

Outcomes

Total

(n = 1891)

First quartile

(n = 489)

Second quartile

(n = 461)

Third quartile

(n = 474)

Fourth quartile

(n = 467)

p value

Mortality (n, %)

   90-day

584 (30.9)

127 (26.0)

134 (29.1)

154 (32.5)

169 (36.2)

<0.001

   28-day

402 (21.3)

89 (18.2)

89 (19.3)

95 (20.0)

129 (27.6)

0.001

   ICU

273 (14.4)

57 (11.7)

62 (13.4)

54 (11.4)

100 (21.4)

<0.001

   Hospital

342 (18.1)

73 (14.9)

76 (16.5)

76 (16.0)

117 (25.1)

<0.001

Length of stay (median days, IQR)

   ICU

3.8 (2.0–8.7)

4.3 (2.0–9.0)

3.9 (2.0–8.9)

3.5 (2.0–7.8)

3.6 (2.0–8.7)

0.468

   Hospital

10.6 (6.2–18.0)

10.8 (6.5–18.1)

10.6 (6.6–17.8)

10.3 (6.4–17.4)

10.1 (5.8–19.5)

0.670

  1. Abbreviations: ICU, intensive care unit; IQR, interquartile range.